SSFN4903

Single FETs, MOSFETs Overview

The SSFN4903 is a 40V P-Channel MOSFET manufactured by Good-Ark Semiconductor, designed for high-efficiency switching applications. It features an advanced MOSFET process technology that achieves low on-resistance and low gate charge. The device supports a continuous drain current of -38A at 25°C case temperature and offers a maximum drain-source breakdown voltage of -40V. Key electrical parameters include a typical RDS(ON) of 14mΩ at VGS=-10V and ID=-15A. The component utilizes a PPAK3x3 surface-mount package.

Single FETs, MOSFETs Feature Summary

• Utilizes advanced MOSFET process technology to achieve high cell density and low on-resistance.
• Provides fast switching capabilities combined with reverse body recovery characteristics.
• Designed for high efficiency in switch mode power supplies and load switching applications.

Single FETs, MOSFETs Applications

• High efficiency switch mode power supplies
• Battery protection circuits
• Load switch applications

Single FETs, MOSFETs Procurement Notes

Verify the specific datasheet revision and manufacturing date code upon procurement. Confirm that the PPAK3x3 package dimensions align with your PCB footprint requirements. Ensure thermal management strategies account for the junction-to-ambient resistance values specified in the absolute maximum ratings section of the official documentation.

Single FETs, MOSFETs Selection Notes

Select this component when a P-Channel configuration is required for high-current switching up to 38A. Evaluate the gate charge specifications against your driver capability to ensure optimal switching speeds. Consider the thermal performance metrics if operating near the maximum junction temperature limits or in environments requiring efficient heat dissipation from the exposed pad.

Single FETs, MOSFETs Part Context

This part belongs to the category of Power MOSFETs, specifically P-Channel devices used for power management and switching. It serves as a semiconductor solution for controlling power flow in electronic systems where low conduction losses and rapid switching transitions are critical design factors.

Single FETs, MOSFETs Replacement Considerations

Consult official manufacturer substitution guides for verified equivalents. Cross-reference pinout configurations, specifically the Drain-Source-Gate arrangement, and verify that replacement parts meet or exceed the -40V breakdown voltage and -38A current rating requirements.